KMDB6-31

Comprehensive specifications and application details for: KMDB6-31 Self-Aligning Plain Bearing.

Summary

Explore detailed summary information for bearing: KMDB6-31. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number
KMDB6-31
Federal Supply Classification
3120 Unmounted Plain Bearings
(NSN) National Stock Number
3120-01-040-3947
Item Name Code
13208
Federal Item Identification Guide
A045A0
Assigment Date
05/07/1977

A detachable assembly in or on which a journal, gudgeon, pivot, or the like moves. It is used to carry a load and to reduce sliding friction. It does not employ rolling elements. The item consists of a bored precision ground ball (or spherical plain bearing) around which an outer ring is fitted. The assembly may be either separable or nonseparable. Excludes:bearing, plain, rod end and bearing, plain, spherical.

0.3745 inches minimum and 0.3750 inches maximum bore diameter, ams 5630 assn std single material response inner member material document and classification, 26.0 rockwell c minimum and 32.0 rockwell c maximum outer race member hardness rating, 0.6850 inches minimum and 0.6870 inches maximum inner member width, 26.0 rockwell c minimum and 32.0 rockwell c maximum inner member hardness rating

Datasheet

Below are the comprehensive technical specifications for bearing: 3120-01-040-3947 . Find dimensions, materials, tolerances, performance characteristics, etc.

Bore Diameter
0.3745 inches minimum and 0.3750 inches maximum
Hardness Rating
26.0 rockwell c minimum and 32.0 rockwell c maximum inner member
Hardness Rating
26.0 rockwell c minimum and 32.0 rockwell c maximum outer race member
Inner Member Width
0.6850 inches minimum and 0.6870 inches maximum
Material Document And Classification
ams 5630 assn std single material response inner member
Material Document And Classification
ams 5643 assn std single material response outer race member
Material
plastic polytetrafluoroethylene race liner
Material
steel comp 440c inner member
Material
steel comp 630 outer race member
Outer Member Outside Diameter
1.1245 inches minimum and 1.1250 inches maximum
Outer Member Width
0.5310 inches minimum and 0.5410 inches maximum
Static Radial Load Rating
22100 pounds
Style Designator
with insert and/or liner with staking groove

Replaces

The NSN 3120-01-040-3947 is used in place of the following discontinued or alternate items:

NSN Name Date
3120-00-407-0581 No Name Available 03/01/2008

Frequently Asked Questions

Find quick answers to common questions about bearing: KMDB6-31. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3120-01-040-3947?
The FSCG of the NSN 3120-01-040-3947 is 3120
Does the NSN 3120-01-040-3947 have a Schedule B code assigned?
Yes, the Schedule B code is 8482300040
Does NSN 3120-01-040-3947 require demilitarization?
Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.
Does NSN 3120-01-040-3947 contain precious materials?
Precious metal content is unknown
Does NSN 3120-01-040-3947 contain hazardous materials?
Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
When the NSN 3120-01-040-3947 was assigned to the Federal Catalog?
It was assigned 48 years ago, on Sat, May 7, 1977

Price & Availability

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